SkyServer brings you the entire public database of the
Sloan Digital Sky Survey - over 80 million stars, galaxies, and quasars -
free of charge. The site includes a variety of
Tools to view and download SDSS data, and
Projects that let you use these data to learn science. Teachers, you are
welcome to use and adapt our projects in your classes - click
here to find out how.

SkyServer is currently hosting the SDSS's Data Release 6 (DR6). For more information on
the data, see the About SDSS section. For technical details on how
SkyServer works, follow one of the links below: